- Wordreference (English-Spanish, Spanish-English, word definition, synonyms, conjugator, words in context, images, forum, pronunciation...).
- Cambridge Dictionary (English-English, UK and US pronunciation).
- Oxford Dictionary (English-English, UK and US pronunciation).
- Reverso Dictionary (Translations, definitions, synonyms, words in context...).
- Forvo Guide (Type any English word and hear the correct pronunciation. Also available in many other languages).
- Howjsay (Talking dictionary of English pronunciation)
- Interactive pronunciation (Practise sounds, stress, intonation and phonemic chart).
- Linguee (See the words you're looking for in context and with the Spanish equivalent).